2,5-dihydrofuran
| Structural formula | ||||||||||||||||
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| General | ||||||||||||||||
| Surname | 2,5-dihydrofuran | |||||||||||||||
| other names |
3-oxoles |
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| Molecular formula | C 4 H 6 O | |||||||||||||||
| Brief description |
light yellow liquid |
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| properties | ||||||||||||||||
| Molar mass | 70.09 g mol −1 | |||||||||||||||
| Physical state |
liquid |
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| density |
0.946 g cm −3 |
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| boiling point |
66-67 ° C |
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| solubility |
practically insoluble in water |
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| Refractive index |
1.431 (20 ° C) |
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| safety instructions | ||||||||||||||||
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C | ||||||||||||||||
2,5-Dihydrofuran is a chemical compound from the group of oxygen heterocycles .
Extraction and presentation
2,5-Dihydrofuran can be obtained by oxidizing 1,3-butadiene . Also possible is the production by isomerization of 3,4-epoxy-1-butene .
properties
2,5-Dihydrofuran is a light yellow, highly flammable liquid that is practically insoluble in water.
safety instructions
The vapors of 2,5-dihydrofuran can form an explosive mixture with air ( flash point −17 ° C).
Individual evidence
- ↑ a b c d e f g h i Entry for CAS no. 1708-29-8 in the GESTIS substance database of the IFA , accessed on September 6, 2015(JavaScript required) .
- ↑ Data sheet 2,5-dihydrofuran, 97% from Sigma-Aldrich , accessed on September 6, 2015 ( PDF ).
- ↑ RJ Madix: Surface Reactions . Springer Science & Business Media, 2012, ISBN 978-3-642-78746-1 , p. 130 ( limited preview in Google Book search).
- ^ Marz, Stefan: Gas phase conversion of dimethyl maleate to tetrahydrofuran: process intensification and kinetics . KIT Scientific Publishing, 2014, ISBN 978-3-7315-0093-3 , pp. 23 ( limited preview in Google Book search).